Gulp.js - Automate and enhance your workflow
npm - npm is a package manager for Node.
Grunt - The Grunt ecosystem is huge and it's growing every day.
JSPM - Front End Package Manager, Frontend Development, and Javascript
Webpack - Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset.
GNU Make - GNU Make is a tool which controls the generation of executables and other non-source files of a program from the program's source files.